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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:36 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:36 +0000
commit50ba0232fd5312410f1b65247e774244f89a628e (patch)
treefd8f2fc78e9e548af0ff9590276602ee6125be00 /arch/powerpc/include/asm/book3s/64/pgtable.h
parentReleasing progress-linux version 6.7.12-1~progress7.99u1. (diff)
downloadlinux-50ba0232fd5312410f1b65247e774244f89a628e.tar.xz
linux-50ba0232fd5312410f1b65247e774244f89a628e.zip
Merging upstream version 6.8.9.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/powerpc/include/asm/book3s/64/pgtable.h')
-rw-r--r--arch/powerpc/include/asm/book3s/64/pgtable.h10
1 files changed, 2 insertions, 8 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h
index cb77eddca5..927d585652 100644
--- a/arch/powerpc/include/asm/book3s/64/pgtable.h
+++ b/arch/powerpc/include/asm/book3s/64/pgtable.h
@@ -17,12 +17,6 @@
#define _PAGE_EXEC 0x00001 /* execute permission */
#define _PAGE_WRITE 0x00002 /* write access allowed */
#define _PAGE_READ 0x00004 /* read access allowed */
-#define _PAGE_NA _PAGE_PRIVILEGED
-#define _PAGE_NAX _PAGE_EXEC
-#define _PAGE_RO _PAGE_READ
-#define _PAGE_ROX (_PAGE_READ | _PAGE_EXEC)
-#define _PAGE_RW (_PAGE_READ | _PAGE_WRITE)
-#define _PAGE_RWX (_PAGE_READ | _PAGE_WRITE | _PAGE_EXEC)
#define _PAGE_PRIVILEGED 0x00008 /* kernel access only */
#define _PAGE_SAO 0x00010 /* Strong access order */
#define _PAGE_NON_IDEMPOTENT 0x00020 /* non idempotent memory */
@@ -532,8 +526,8 @@ static inline bool pte_user(pte_t pte)
static inline bool pte_access_permitted(pte_t pte, bool write)
{
/*
- * _PAGE_READ is needed for any access and will be
- * cleared for PROT_NONE
+ * _PAGE_READ is needed for any access and will be cleared for
+ * PROT_NONE. Execute-only mapping via PROT_EXEC also returns false.
*/
if (!pte_present(pte) || !pte_user(pte) || !pte_read(pte))
return false;